Jim Parsons, "The Good Guy Fluctuation" (Thursday Oct. 27), CBS
Robert Englund, "Ka Iwi Kapu" (Monday, Oct. 31), CBS
Phoebe Tonkin and Britt Robertson, "Masked" (CW)
Jeremy Sisto and Jane Levy, "Halloween" (Wednesday, Oct.26), ABC
Whitney Cummings and Ken Marino, "The Wire" (Thursday, Oct. 27), NBC
Jessica Lowndes and Tristan Wilds, "It's the Great Masquerade" (CW)
Madison De La Garza and Eva Longoria, "Witch's Lament" (Sunday, Oct. 30), ABC
Chris Colfer, "The Rocky Horror Glee Show" (Tues., Oct. 26, 2010), Fox
Nina Dobrev, "Masquerade" (Thurs., Oct. 28, 2010), CW
Courteney Cox, "You Don't Know How It Feels" (Wed., Oct. 27, 2010), ABC
Jesse Tyler Ferguson, "Halloween" (Wed., Oct. 27, 2010), ABC
Ed Helms, "Costume Contest" (Thurs., Oct. 29, 2010) NBC
Leslie David Baker, "Costume Contest" (Thurs., Oct. 29, 2010) NBC
"Introduction to Statistics" (Thurs., Oct. 28, 2010), NBC
Josh Radnor, Jason Segel, Neil Patrick Harris and Cobie Smulders, "Caning Randy" (Mon., Nov. 1, 2010), CBS
Marcia Cross and Vanessa Williams, "Excited and Scared" (Sun., Oct. 31, 2010), ABC
Lucas Neff and Shannon Woodward, "Happy Halloween" (Tues., Oct. 26, 2010), Fox
Monica Potter, Max Burkholder and Peter Krause, "Orange Alert" (Tues., Oct. 19, 2010), NBC
MORE PHOTOS: Spookiest Shows on TV